ABAP Select data from SAP table /PM0/ABQACHARGE into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/ABQACHARGE table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to /PM0/ABQACHARGE. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the /PM0/ABQACHARGE table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_/PM0/ABQACHARGE TYPE STANDARD TABLE OF /PM0/ABQACHARGE,
      WA_/PM0/ABQACHARGE TYPE /PM0/ABQACHARGE,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: </PM0/ABQACHARGE> TYPE /PM0/ABQACHARGE.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/ABQACHARGE.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/ABQACHARGE
  INTO TABLE IT_/PM0/ABQACHARGE.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ABQACHARGE
*  INTO TABLE @DATA(IT_/PM0/ABQACHARGE2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_/PM0/ABQACHARGE INDEX 1 INTO DATA(WA_/PM0/ABQACHARGE2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/ABQACHARGE ASSIGNING </PM0/ABQACHARGE>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ABQACHARGE>-BO_ID = 1.
</PM0/ABQACHARGE>-PARENT_ID = 1.
</PM0/ABQACHARGE>-VERSION_ID = 1.
</PM0/ABQACHARGE>-TODELETE_FG = 1.
</PM0/ABQACHARGE>-ID_ATTR = 1.

ENDLOOP.

LOOP AT IT_/PM0/ABQACHARGE INTO WA_/PM0/ABQACHARGE.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ABQACHARGE-CHACOR_ID, sy-vline,
  WA_/PM0/ABQACHARGE-CORRTEXT_TT, sy-vline,
  WA_/PM0/ABQACHARGE-CURRENCY_ID, sy-vline,
  WA_/PM0/ABQACHARGE-CHARGETYPE_CD, sy-vline,
  WA_/PM0/ABQACHARGE-CHARGEINIT_AM, sy-vline,
  WA_/PM0/ABQACHARGE-CHARGECAT_CD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ABQACHARGE you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_/PM0/ABQACHARGE TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_/PM0/ABQACHARGE INTO WA_/PM0/ABQACHARGE.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit J7NUM, internal->external for field PERIODICITY_CD
CALL FUNCTION 'CONVERSION_EXIT_J7NUM_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ABQACHARGE-PERIODICITY_CD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ABQACHARGE-PERIODICITY_CD.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_/PM0/ABQACHARGE_STR, 
BO_ID TYPE STRING,
PARENT_ID TYPE STRING,
VERSION_ID TYPE STRING,
TODELETE_FG TYPE STRING,
ID_ATTR TYPE STRING,
CHACOR_ID TYPE STRING,
CORRTEXT_TT TYPE STRING,
CURRENCY_ID TYPE STRING,
CHARGETYPE_CD TYPE STRING,
CHARGEINIT_AM TYPE STRING,
CHARGECAT_CD TYPE STRING,
CHARGE_INT_ID TYPE STRING,
CHARGESCHED_CD TYPE STRING,
VALID_FROM_DT TYPE STRING,
BIZPRC_CD TYPE STRING,
BTX_CD TYPE STRING,
FBTX_ID TYPE STRING,
COLLKIND_CD TYPE STRING,
CHARGEBASE_CD TYPE STRING,
CHARGEUNIT_CD TYPE STRING,
OVERWRITE_FG TYPE STRING,
CHARGEMIN_AM TYPE STRING,
CHARGEMAX_AM TYPE STRING,
MINMAXREACHED_CD TYPE STRING,
MANCOSTRATE1_VL TYPE STRING,
MANCOSTRATE2_VL TYPE STRING,
MANCOSTRATE3_VL TYPE STRING,
FREE_TA_VL TYPE STRING,
FREE_TA_USED_VL TYPE STRING,
FREE_TA_START_DT TYPE STRING,
FREE_TA_END_DT TYPE STRING,
PM_ID TYPE STRING,
PERIODICITY_CD TYPE STRING,
POSTINGCODE_ID TYPE STRING,
CHARGEDISCAR_FG TYPE STRING,
PREM_CD TYPE STRING,
CHARGE_AM TYPE STRING,
CHARGEINIT_VL TYPE STRING,
CHARGEREL_VL TYPE STRING,
CHARGEMIN_VL TYPE STRING,
CHARGEMAX_VL TYPE STRING,
CHARGEACC_FG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ABQACHARGE_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_/PM0/ABQACHARGE_STR-BO_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-PARENT_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-VERSION_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-TODELETE_FG sy-vline 
WA_/PM0/ABQACHARGE_STR-ID_ATTR sy-vline 
WA_/PM0/ABQACHARGE_STR-CHACOR_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-CORRTEXT_TT sy-vline 
WA_/PM0/ABQACHARGE_STR-CURRENCY_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGETYPE_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEINIT_AM sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGECAT_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGE_INT_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGESCHED_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-VALID_FROM_DT sy-vline 
WA_/PM0/ABQACHARGE_STR-BIZPRC_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-BTX_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-FBTX_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-COLLKIND_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEBASE_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEUNIT_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-OVERWRITE_FG sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEMIN_AM sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEMAX_AM sy-vline 
WA_/PM0/ABQACHARGE_STR-MINMAXREACHED_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-MANCOSTRATE1_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-MANCOSTRATE2_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-MANCOSTRATE3_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-FREE_TA_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-FREE_TA_USED_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-FREE_TA_START_DT sy-vline 
WA_/PM0/ABQACHARGE_STR-FREE_TA_END_DT sy-vline 
WA_/PM0/ABQACHARGE_STR-PM_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-PERIODICITY_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-POSTINGCODE_ID sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEDISCAR_FG sy-vline 
WA_/PM0/ABQACHARGE_STR-PREM_CD sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGE_AM sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEINIT_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEREL_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEMIN_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEMAX_VL sy-vline 
WA_/PM0/ABQACHARGE_STR-CHARGEACC_FG sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.